﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Navigation;
using System.Windows.Shapes;
using Microsoft.Phone.Controls;
using Microsoft.Phone.Shell;
using ALiteTeam.PackageTracer.Core.Impl;
using ALiteTeam.PackageTracer.Core;
using Microsoft.Phone.Tasks;

namespace ALiteTeam.PackageTracer.View
{
    public partial class App : Application
    {
        public IDeliveryOperate DeliveryOp { get; set; }

        /// <summary>
        /// Provides easy access to the root frame of the Phone Application.
        /// </summary>
        /// <returns>The root frame of the Phone Application.</returns>
        public PhoneApplicationFrame RootFrame { get; private set; }

        /// <summary>
        /// Constructor for the Application object.
        /// </summary>
        public App()
        {
            // Global handler for uncaught exceptions. 
            UnhandledException += Application_UnhandledException;

            // Standard Silverlight initialization
            InitializeComponent();

            // Phone-specific initialization
            InitializePhoneApplication();

            InitializeDependence();            

            // Show graphics profiling information while debugging.
            if (System.Diagnostics.Debugger.IsAttached)
            {
                // Display the current frame rate counters.
                Application.Current.Host.Settings.EnableFrameRateCounter = false;

                // Show the areas of the app that are being redrawn in each frame.
                //Application.Current.Host.Settings.EnableRedrawRegions = true;

                // Enable non-production analysis visualization mode, 
                // which shows areas of a page that are handed off to GPU with a colored overlay.
                //Application.Current.Host.Settings.EnableCacheVisualization = true;

                // Disable the application idle detection by setting the UserIdleDetectionMode property of the
                // application's PhoneApplicationService object to Disabled.
                // Caution:- Use this under debug mode only. Application that disables user idle detection will continue to run
                // and consume battery power when the user is not using the phone.
                PhoneApplicationService.Current.UserIdleDetectionMode = IdleDetectionMode.Disabled;
            }
        }

        private void CheckVersion()
        {
            if (Settings.Configuration.CurrentInstanceVersion == null || Settings.Configuration.CurrentInstanceVersion > Settings.CURRRENT_VERSION)
            {
                MessageBox.Show("1. 更新顺丰、EMS功能，现在已完全可用。（申通暂不可用，请等待下一版本）\r\n2. 修改部分导致程序崩溃和闪退的BUG。", "新版本特性", MessageBoxButton.OK);
                Settings.Configuration.CurrentInstanceVersion = Settings.CURRRENT_VERSION;
            }
        }

        private void InitializeDependence()
        {
            DeliveryOp = DeliveryDataOp.Instance;
        }

        // Code to execute when the application is launching (eg, from Start)
        // This code will not execute when the application is reactivated
        private void Application_Launching(object sender, LaunchingEventArgs e)
        {
        }

        // Code to execute when the application is activated (brought to foreground)
        // This code will not execute when the application is first launched
        private void Application_Activated(object sender, ActivatedEventArgs e)
        {
        }

        // Code to execute when the application is deactivated (sent to background)
        // This code will not execute when the application is closing
        private void Application_Deactivated(object sender, DeactivatedEventArgs e)
        {
        }

        // Code to execute when the application is closing (eg, user hit Back)
        // This code will not execute when the application is deactivated
        private void Application_Closing(object sender, ClosingEventArgs e)
        {
        }

        // Code to execute if a navigation fails
        private void RootFrame_NavigationFailed(object sender, NavigationFailedEventArgs e)
        {
            if (System.Diagnostics.Debugger.IsAttached)
            {
                // A navigation has failed; break into the debugger
                System.Diagnostics.Debugger.Break();
            }
        }

        // Code to execute on Unhandled Exceptions
        private void Application_UnhandledException(object sender, ApplicationUnhandledExceptionEventArgs e)
        {
            //if (System.Diagnostics.Debugger.IsAttached)
            //{
            //    // An unhandled exception has occurred; break into the debugger
            //    System.Diagnostics.Debugger.Break();
            //}
            //else
            //{
                if (MessageBox.Show("程序意外中止，是否愿意发送异常信息给开发者，协助改进程序？", "程序发生崩溃", MessageBoxButton.OKCancel) == MessageBoxResult.OK)
                {
                    EmailComposeTask emailcomposer = new EmailComposeTask();
                    emailcomposer.To = "<a href='mailto:aliteam@live.com'>风讯开发组</a>";
                    emailcomposer.Subject = "风讯快递程序崩溃反馈";
                    emailcomposer.Body = string.Format("{0}/r/n/r/n/r/n{1}", e.ExceptionObject.Message, e.ExceptionObject.StackTrace);
                    emailcomposer.Show();
                }
                e.Handled = true;
            //}
        }

        #region Phone application initialization

        // Avoid double-initialization
        private bool phoneApplicationInitialized = false;

        // Do not add any additional code to this method
        private void InitializePhoneApplication()
        {
            if (phoneApplicationInitialized)
                return;

            // Create the frame but don't set it as RootVisual yet; this allows the splash
            // screen to remain active until the application is ready to render.
            RootFrame = new PhoneApplicationFrame();
            RootFrame.Navigated += CompleteInitializePhoneApplication;

            // Handle navigation failures
            RootFrame.NavigationFailed += RootFrame_NavigationFailed;

            // Ensure we don't initialize again
            phoneApplicationInitialized = true;
        }

        // Do not add any additional code to this method
        private void CompleteInitializePhoneApplication(object sender, NavigationEventArgs e)
        {
            // Set the root visual to allow the application to render
            if (RootVisual != RootFrame)
                RootVisual = RootFrame;

            // Remove this handler since it is no longer needed
            RootFrame.Navigated -= CompleteInitializePhoneApplication;

            // 检查当前程序版本，决定是否弹出提示信息
            CheckVersion();
        }

        #endregion
    }
}